./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/mcmillan2006.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/mcmillan2006.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45cd9f1eda35cecb580d3b7fe5199506be9e5041f2297c1c3e22e0a862fa68be --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:09:43,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:09:43,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:09:43,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:09:43,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:09:44,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:09:44,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:09:44,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:09:44,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:09:44,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:09:44,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:09:44,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:09:44,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:09:44,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:09:44,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:09:44,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:09:44,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:09:44,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:09:44,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:09:44,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:09:44,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:09:44,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:09:44,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:09:44,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:09:44,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:09:44,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:09:44,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:09:44,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:09:44,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:09:44,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:09:44,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:09:44,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:09:44,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:09:44,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:09:44,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:09:44,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:09:44,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:09:44,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:09:44,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:09:44,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:09:44,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:09:44,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:09:44,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:09:44,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:09:44,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:09:44,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:09:44,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:09:44,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:09:44,119 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:09:44,120 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:09:44,120 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:09:44,120 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:09:44,121 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:09:44,121 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:09:44,122 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:09:44,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:09:44,122 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:09:44,122 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:09:44,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:09:44,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:09:44,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:09:44,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:09:44,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:09:44,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:09:44,124 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:09:44,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:09:44,124 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:09:44,124 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:09:44,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:09:44,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:09:44,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:09:44,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:09:44,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:09:44,127 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:09:44,128 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45cd9f1eda35cecb580d3b7fe5199506be9e5041f2297c1c3e22e0a862fa68be [2022-11-16 11:09:44,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:09:44,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:09:44,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:09:44,479 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:09:44,480 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:09:44,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/loop-lit/mcmillan2006.i [2022-11-16 11:09:44,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/data/6e7076727/7a564bbab9844f4d8d24b5a5e73964b1/FLAG24e724339 [2022-11-16 11:09:45,099 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:09:45,100 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/sv-benchmarks/c/loop-lit/mcmillan2006.i [2022-11-16 11:09:45,108 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/data/6e7076727/7a564bbab9844f4d8d24b5a5e73964b1/FLAG24e724339 [2022-11-16 11:09:45,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/data/6e7076727/7a564bbab9844f4d8d24b5a5e73964b1 [2022-11-16 11:09:45,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:09:45,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:09:45,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:09:45,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:09:45,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:09:45,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:09:45" (1/1) ... [2022-11-16 11:09:45,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43daf376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45, skipping insertion in model container [2022-11-16 11:09:45,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:09:45" (1/1) ... [2022-11-16 11:09:45,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:09:45,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:09:45,686 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/sv-benchmarks/c/loop-lit/mcmillan2006.i[1009,1022] [2022-11-16 11:09:45,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:09:45,722 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:09:45,739 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/sv-benchmarks/c/loop-lit/mcmillan2006.i[1009,1022] [2022-11-16 11:09:45,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:09:45,769 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:09:45,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45 WrapperNode [2022-11-16 11:09:45,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:09:45,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:09:45,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:09:45,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:09:45,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45" (1/1) ... [2022-11-16 11:09:45,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45" (1/1) ... [2022-11-16 11:09:45,813 INFO L138 Inliner]: procedures = 18, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2022-11-16 11:09:45,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:09:45,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:09:45,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:09:45,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:09:45,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45" (1/1) ... [2022-11-16 11:09:45,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45" (1/1) ... [2022-11-16 11:09:45,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45" (1/1) ... [2022-11-16 11:09:45,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45" (1/1) ... [2022-11-16 11:09:45,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45" (1/1) ... [2022-11-16 11:09:45,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45" (1/1) ... [2022-11-16 11:09:45,835 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45" (1/1) ... [2022-11-16 11:09:45,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45" (1/1) ... [2022-11-16 11:09:45,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:09:45,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:09:45,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:09:45,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:09:45,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45" (1/1) ... [2022-11-16 11:09:45,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:45,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:45,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:45,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:09:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:09:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:09:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:09:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:09:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:09:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:09:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:09:46,014 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:09:46,017 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:09:46,184 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:09:46,189 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:09:46,190 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:09:46,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:09:46 BoogieIcfgContainer [2022-11-16 11:09:46,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:09:46,193 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:09:46,193 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:09:46,197 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:09:46,199 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:09:46,199 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:09:45" (1/3) ... [2022-11-16 11:09:46,200 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e3a95be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:09:46, skipping insertion in model container [2022-11-16 11:09:46,200 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:09:46,201 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:45" (2/3) ... [2022-11-16 11:09:46,201 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e3a95be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:09:46, skipping insertion in model container [2022-11-16 11:09:46,201 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:09:46,201 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:09:46" (3/3) ... [2022-11-16 11:09:46,203 INFO L332 chiAutomizerObserver]: Analyzing ICFG mcmillan2006.i [2022-11-16 11:09:46,271 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:09:46,271 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:09:46,271 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:09:46,272 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:09:46,272 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:09:46,272 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:09:46,272 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:09:46,273 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:09:46,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:09:46,298 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-16 11:09:46,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:09:46,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:09:46,303 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 11:09:46,304 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:09:46,304 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:09:46,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:09:46,305 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-16 11:09:46,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:09:46,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:09:46,306 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 11:09:46,306 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:09:46,314 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~n~0#1, main_~x~0#1.base, main_~x~0#1.offset;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L28true assume !!(0 <= main_~n~0#1 && main_~n~0#1 <= 1000);call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 4294967296);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;main_~i~0#1 := 0; 14#L30-3true [2022-11-16 11:09:46,314 INFO L750 eck$LassoCheckResult]: Loop: 14#L30-3true assume !!(main_~i~0#1 < main_~n~0#1);call write~int(0, main_~x~0#1.base, main_~x~0#1.offset + 4 * main_~i~0#1, 4); 4#L30-2true main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 14#L30-3true [2022-11-16 11:09:46,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:46,320 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-16 11:09:46,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:46,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650521822] [2022-11-16 11:09:46,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:46,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:46,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:09:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:46,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:09:46,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:46,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2022-11-16 11:09:46,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:46,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292585352] [2022-11-16 11:09:46,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:46,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:46,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:09:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:46,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:09:46,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:46,553 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2022-11-16 11:09:46,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:46,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288605585] [2022-11-16 11:09:46,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:46,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:46,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:09:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:46,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:09:46,999 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:09:47,000 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:09:47,000 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:09:47,000 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:09:47,001 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:09:47,001 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:47,002 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:09:47,002 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:09:47,002 INFO L133 ssoRankerPreferences]: Filename of dumped script: mcmillan2006.i_Iteration1_Lasso [2022-11-16 11:09:47,003 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:09:47,003 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:09:47,034 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:47,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:47,420 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:47,423 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:47,427 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:47,430 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:47,433 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:47,435 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:47,439 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:47,442 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:47,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:47,869 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:09:47,874 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:09:47,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:47,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:47,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:47,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:47,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:47,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:47,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:47,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:47,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:09:47,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:09:47,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:09:47,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:47,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:47,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:47,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:47,945 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:47,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:47,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:47,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:47,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:47,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:47,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:09:47,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:09:47,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:09:47,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:48,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:48,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:48,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:48,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:48,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:48,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:48,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:48,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:48,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:48,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:09:48,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:09:48,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:09:48,070 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:09:48,125 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-16 11:09:48,125 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-11-16 11:09:48,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:48,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:48,131 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:48,138 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:09:48,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:09:48,160 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:09:48,160 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:09:48,161 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-16 11:09:48,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:48,194 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-16 11:09:48,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:48,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:09:48,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:09:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:48,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:09:48,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:09:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:48,342 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 11:09:48,344 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:09:48,406 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 51 transitions. Complement of second has 7 states. [2022-11-16 11:09:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 11:09:48,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:09:48,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2022-11-16 11:09:48,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-16 11:09:48,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:09:48,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-16 11:09:48,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:09:48,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-16 11:09:48,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:09:48,423 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 51 transitions. [2022-11-16 11:09:48,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 11:09:48,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 11 states and 13 transitions. [2022-11-16 11:09:48,435 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-16 11:09:48,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-16 11:09:48,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2022-11-16 11:09:48,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:48,437 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-11-16 11:09:48,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2022-11-16 11:09:48,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-11-16 11:09:48,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:09:48,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2022-11-16 11:09:48,462 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-11-16 11:09:48,462 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-11-16 11:09:48,462 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:09:48,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2022-11-16 11:09:48,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 11:09:48,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:09:48,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:09:48,464 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 11:09:48,464 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 11:09:48,464 INFO L748 eck$LassoCheckResult]: Stem: 120#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 121#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~n~0#1, main_~x~0#1.base, main_~x~0#1.offset;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 122#L28 assume !!(0 <= main_~n~0#1 && main_~n~0#1 <= 1000);call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 4294967296);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;main_~i~0#1 := 0; 123#L30-3 assume !(main_~i~0#1 < main_~n~0#1); 126#L30-4 main_~i~1#1 := 0; 124#L31-3 [2022-11-16 11:09:48,464 INFO L750 eck$LassoCheckResult]: Loop: 124#L31-3 assume !!(main_~i~1#1 < main_~n~0#1);call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset + 4 * main_~i~1#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 == main_#t~mem5#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 125#L19 assume !(0 == __VERIFIER_assert_~cond#1); 116#L19-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem5#1; 117#L31-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 124#L31-3 [2022-11-16 11:09:48,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:48,465 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2022-11-16 11:09:48,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:48,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103986896] [2022-11-16 11:09:48,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:48,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:48,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:09:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:48,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:09:48,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:48,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1823306, now seen corresponding path program 1 times [2022-11-16 11:09:48,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:48,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417757842] [2022-11-16 11:09:48,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:48,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:48,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:09:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:48,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:09:48,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:48,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1304171029, now seen corresponding path program 1 times [2022-11-16 11:09:48,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:48,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154048179] [2022-11-16 11:09:48,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:48,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:48,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:48,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154048179] [2022-11-16 11:09:48,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154048179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:48,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:48,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:09:48,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171034100] [2022-11-16 11:09:48,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:48,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:48,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:09:48,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:09:48,896 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:09:48,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:09:48,952 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-11-16 11:09:48,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2022-11-16 11:09:48,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 11:09:48,957 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 13 transitions. [2022-11-16 11:09:48,957 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-16 11:09:48,957 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-16 11:09:48,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. [2022-11-16 11:09:48,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:48,958 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 13 transitions. [2022-11-16 11:09:48,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. [2022-11-16 11:09:48,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-11-16 11:09:48,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:09:48,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2022-11-16 11:09:48,965 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 12 transitions. [2022-11-16 11:09:48,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:09:48,967 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 12 transitions. [2022-11-16 11:09:48,968 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:09:48,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 12 transitions. [2022-11-16 11:09:48,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 11:09:48,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:09:48,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:09:48,974 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:48,974 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 11:09:48,975 INFO L748 eck$LassoCheckResult]: Stem: 159#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 160#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~n~0#1, main_~x~0#1.base, main_~x~0#1.offset;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 161#L28 assume !!(0 <= main_~n~0#1 && main_~n~0#1 <= 1000);call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 4294967296);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;main_~i~0#1 := 0; 162#L30-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(0, main_~x~0#1.base, main_~x~0#1.offset + 4 * main_~i~0#1, 4); 157#L30-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 158#L30-3 assume !(main_~i~0#1 < main_~n~0#1); 165#L30-4 main_~i~1#1 := 0; 164#L31-3 [2022-11-16 11:09:48,975 INFO L750 eck$LassoCheckResult]: Loop: 164#L31-3 assume !!(main_~i~1#1 < main_~n~0#1);call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset + 4 * main_~i~1#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 == main_#t~mem5#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 163#L19 assume !(0 == __VERIFIER_assert_~cond#1); 155#L19-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem5#1; 156#L31-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 164#L31-3 [2022-11-16 11:09:48,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:48,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2022-11-16 11:09:48,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:48,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23755948] [2022-11-16 11:09:48,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:48,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:48,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:09:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:49,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:09:49,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:49,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1823306, now seen corresponding path program 2 times [2022-11-16 11:09:49,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:49,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788855844] [2022-11-16 11:09:49,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:49,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:49,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:09:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:49,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:09:49,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:49,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1358706313, now seen corresponding path program 1 times [2022-11-16 11:09:49,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:49,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099164407] [2022-11-16 11:09:49,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:49,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:49,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:09:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:49,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:09:49,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:49,582 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:09:49,582 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:09:49,582 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:09:49,582 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:09:49,582 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:09:49,582 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:49,582 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:09:49,582 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:09:49,583 INFO L133 ssoRankerPreferences]: Filename of dumped script: mcmillan2006.i_Iteration3_Lasso [2022-11-16 11:09:49,583 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:09:49,583 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:09:49,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:49,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:49,595 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:49,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:49,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:49,605 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:49,942 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:49,946 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:49,949 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:49,952 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:49,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:09:50,325 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:09:50,325 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:09:50,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:50,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:50,327 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:50,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:50,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:09:50,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:50,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:09:50,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:50,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:50,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:50,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:09:50,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:09:50,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:50,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:50,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:50,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:50,383 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:50,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:09:50,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:50,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:50,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:09:50,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:50,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:50,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:50,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:09:50,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:09:50,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:50,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:50,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:50,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:50,429 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:50,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:50,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:50,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:09:50,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:50,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:50,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:50,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:09:50,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:09:50,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 11:09:50,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:50,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:50,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:50,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:50,472 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:50,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:50,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 11:09:50,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:50,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:09:50,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:50,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:50,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:50,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:09:50,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:09:50,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:50,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:50,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:50,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:50,505 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:50,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:50,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:50,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:09:50,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:50,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:50,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:50,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:09:50,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:09:50,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 11:09:50,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:50,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:50,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:50,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:50,560 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:50,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 11:09:50,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:50,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:50,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:50,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:50,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:50,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:09:50,585 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:09:50,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:50,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:50,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:50,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:50,614 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:50,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:50,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:50,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 11:09:50,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:50,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:50,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:50,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:09:50,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:09:50,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:50,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:50,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:50,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:50,695 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:50,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:50,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:50,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:50,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:50,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:50,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 11:09:50,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:09:50,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:09:50,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:50,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:50,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:50,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:50,741 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:50,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:50,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 11:09:50,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:50,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:50,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:50,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:50,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:09:50,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:09:50,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:50,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:50,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:50,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:50,840 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:50,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 11:09:50,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:50,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:50,861 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-16 11:09:50,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:50,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:50,865 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-16 11:09:50,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:09:50,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:50,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:50,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:50,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:50,899 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:50,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 11:09:50,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:50,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:50,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:50,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:50,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:50,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:09:50,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:09:50,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:50,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:50,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:50,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:50,977 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:50,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 11:09:50,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:50,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:50,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:50,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:50,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:50,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:09:50,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:09:51,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:51,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:51,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:51,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:51,020 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:51,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:51,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:51,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:51,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:51,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:51,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:09:51,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:09:51,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 11:09:51,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:09:51,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:51,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:51,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:51,068 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:51,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:09:51,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:09:51,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:09:51,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:09:51,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:09:51,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 11:09:51,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:09:51,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:09:51,118 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:09:51,150 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-16 11:09:51,150 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 16 variables to zero. [2022-11-16 11:09:51,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:09:51,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:51,151 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:51,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 11:09:51,158 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:09:51,177 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:09:51,178 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:09:51,178 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2022-11-16 11:09:51,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:51,211 INFO L156 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2022-11-16 11:09:51,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:51,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:09:51,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:09:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:51,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:09:51,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:09:51,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:51,292 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 11:09:51,293 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 12 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:09:51,301 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 12 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 17 transitions. Complement of second has 4 states. [2022-11-16 11:09:51,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 11:09:51,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:09:51,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2022-11-16 11:09:51,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-16 11:09:51,303 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:09:51,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 11 letters. Loop has 4 letters. [2022-11-16 11:09:51,303 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:09:51,304 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 7 letters. Loop has 8 letters. [2022-11-16 11:09:51,304 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:09:51,304 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2022-11-16 11:09:51,305 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:09:51,305 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2022-11-16 11:09:51,305 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:09:51,305 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:09:51,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:09:51,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:51,305 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:09:51,306 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:09:51,306 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:09:51,306 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 11:09:51,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:09:51,306 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:09:51,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:09:51,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:09:51 BoogieIcfgContainer [2022-11-16 11:09:51,318 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:09:51,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:09:51,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:09:51,319 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:09:51,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:09:46" (3/4) ... [2022-11-16 11:09:51,322 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:09:51,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:09:51,323 INFO L158 Benchmark]: Toolchain (without parser) took 5869.77ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 70.1MB in the beginning and 105.4MB in the end (delta: -35.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-16 11:09:51,324 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory was 86.3MB in the beginning and 86.2MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:09:51,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.54ms. Allocated memory is still 111.1MB. Free memory was 70.0MB in the beginning and 86.3MB in the end (delta: -16.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:09:51,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.57ms. Allocated memory is still 111.1MB. Free memory was 85.8MB in the beginning and 84.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:09:51,326 INFO L158 Benchmark]: Boogie Preprocessor took 23.41ms. Allocated memory is still 111.1MB. Free memory was 84.4MB in the beginning and 83.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:09:51,326 INFO L158 Benchmark]: RCFGBuilder took 353.46ms. Allocated memory is still 111.1MB. Free memory was 83.2MB in the beginning and 72.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:09:51,327 INFO L158 Benchmark]: BuchiAutomizer took 5125.07ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 72.7MB in the beginning and 105.4MB in the end (delta: -32.6MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-11-16 11:09:51,327 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 161.5MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:09:51,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory was 86.3MB in the beginning and 86.2MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.54ms. Allocated memory is still 111.1MB. Free memory was 70.0MB in the beginning and 86.3MB in the end (delta: -16.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.57ms. Allocated memory is still 111.1MB. Free memory was 85.8MB in the beginning and 84.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.41ms. Allocated memory is still 111.1MB. Free memory was 84.4MB in the beginning and 83.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.46ms. Allocated memory is still 111.1MB. Free memory was 83.2MB in the beginning and 72.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 5125.07ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 72.7MB in the beginning and 105.4MB in the end (delta: -32.6MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 161.5MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + n and consists of 5 locations. One deterministic module has affine ranking function n + -1 * i and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 31 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital152 mio100 ax100 hnf100 lsp94 ukn82 mio100 lsp47 div167 bol100 ite100 ukn100 eq149 hnf95 smp68 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 11:09:51,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-16 11:09:51,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9c8b13-affb-44a7-8f7f-390547b62e17/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE